diff --git a/runtime/syntax/valgrind.vim b/runtime/syntax/valgrind.vim
index 48e9564..c247927 100644
--- a/runtime/syntax/valgrind.vim
+++ b/runtime/syntax/valgrind.vim
@@ -2,9 +2,11 @@
 " Language: Valgrind Memory Debugger Output
 " Maintainer: Roger Luethi <rl@hellgate.ch>
 " Program URL: http://devel-home.kde.org/~sewardj/
-" Last Change: 2012 Apr 30
+" Last Change: 2014 Oct 02
 "
 " Notes: mostly based on strace.vim and xml.vim
+"
+" Contributors: Christoph Gysin <christoph.gysin@gmail.com>
 
 " Quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -65,7 +67,7 @@
 syn match valgrindAddr "\(\W\)\@<=0x\x\+" contained
 syn match valgrindFunc "\(: \)\@<=\w\+" contained
 syn match valgrindBin "\((\(with\|\)in \)\@<=\S\+\()\)\@=" contained
-syn match valgrindSrc "\((\)\@<=.*:\d\+\()\)\@=" contained
+syn match valgrindSrc "\((\)\@<=[^)]*:\d\+\()\)\@=" contained
 
 " Define the default highlighting